104 	struct socket *sock;	/* NULL if not connected */  member
427 static void lowcomms_data_ready(struct sock *sk)  in lowcomms_data_ready()
434 static void lowcomms_write_space(struct sock *sk)  in lowcomms_write_space()
441 	clear_bit(SOCK_NOSPACE, &con->sock->flags);  in lowcomms_write_space()
444 		con->sock->sk->sk_write_pending--;  in lowcomms_write_space()
445 		clear_bit(SOCK_ASYNC_NOSPACE, &con->sock->flags);  in lowcomms_write_space()
460 static void lowcomms_state_change(struct sock *sk)  in lowcomms_state_change()
485 static void add_sock(struct socket *sock, struct connection *con)  in add_sock()  argument
487 	con->sock = sock;  in add_sock()
490 	con->sock->sk->sk_data_ready = lowcomms_data_ready;  in add_sock()
491 	con->sock->sk->sk_write_space = lowcomms_write_space;  in add_sock()
492 	con->sock->sk->sk_state_change = lowcomms_state_change;  in add_sock()
493 	con->sock->sk->sk_user_data = con;  in add_sock()
494 	con->sock->sk->sk_allocation = GFP_NOFS;  in add_sock()
521 	if (con->sock) {  in close_connection()
522 		sock_release(con->sock);  in close_connection()
523 		con->sock = NULL;  in close_connection()
568 	ret = kernel_sendmsg(con->sock, &outmessage, NULL, 0, 0);  in sctp_send_shutdown()
690 			ret = kernel_getsockopt(con->sock,  in process_sctp_notification()
722 			lock_sock(con->sock->sk);  in process_sctp_notification()
723 			ret = sctp_do_peeloff(con->sock->sk,  in process_sctp_notification()
725 				&new_con->sock);  in process_sctp_notification()
726 			release_sock(con->sock->sk);  in process_sctp_notification()
734 			add_sock(new_con->sock, new_con);  in process_sctp_notification()
738 			ret = kernel_setsockopt(new_con->sock, SOL_SOCKET, SO_LINGER,  in process_sctp_notification()
800 	if (con->sock == NULL) {  in receive_from_sock()
842 	r = ret = kernel_recvmsg(con->sock, &msg, iov, nvec, len,  in receive_from_sock()
932 	if (con->sock == NULL)  in tcp_accept_from_sock()
935 	newsock->type = con->sock->type;  in tcp_accept_from_sock()
936 	newsock->ops = con->sock->ops;  in tcp_accept_from_sock()
938 	result = con->sock->ops->accept(con->sock, newsock, O_NONBLOCK);  in tcp_accept_from_sock()
975 	if (newcon->sock) {  in tcp_accept_from_sock()
993 		if (!othercon->sock) {  in tcp_accept_from_sock()
995 			othercon->sock = newsock;  in tcp_accept_from_sock()
1134 	ret = kernel_sendmsg(base_con->sock, &outmessage, iov, 1, len);  in sctp_init_assoc()
1158 	struct socket *sock = NULL;  in tcp_connect_to_sock()  local
1172 	if (con->sock)  in tcp_connect_to_sock()
1177 				  IPPROTO_TCP, &sock);  in tcp_connect_to_sock()
1188 	sock->sk->sk_user_data = con;  in tcp_connect_to_sock()
1191 	add_sock(sock, con);  in tcp_connect_to_sock()
1197 	result = sock->ops->bind(sock, (struct sockaddr *) &src_addr,  in tcp_connect_to_sock()
1209 	kernel_setsockopt(sock, SOL_TCP, TCP_NODELAY, (char *)&one,  in tcp_connect_to_sock()
1212 	result = sock->ops->connect(sock, (struct sockaddr *)&saddr, addr_len,  in tcp_connect_to_sock()
1220 	if (con->sock) {  in tcp_connect_to_sock()
1221 		sock_release(con->sock);  in tcp_connect_to_sock()
1222 		con->sock = NULL;  in tcp_connect_to_sock()
1223 	} else if (sock) {  in tcp_connect_to_sock()
1224 		sock_release(sock);  in tcp_connect_to_sock()
1250 	struct socket *sock = NULL;  in tcp_create_listen_sock()  local
1262 				  IPPROTO_TCP, &sock);  in tcp_create_listen_sock()
1269 	kernel_setsockopt(sock, SOL_TCP, TCP_NODELAY, (char *)&one,  in tcp_create_listen_sock()
1272 	result = kernel_setsockopt(sock, SOL_SOCKET, SO_REUSEADDR,  in tcp_create_listen_sock()
1283 	result = sock->ops->bind(sock, (struct sockaddr *) saddr, addr_len);  in tcp_create_listen_sock()
1286 		sock_release(sock);  in tcp_create_listen_sock()
1287 		sock = NULL;  in tcp_create_listen_sock()
1288 		con->sock = NULL;  in tcp_create_listen_sock()
1291 	result = kernel_setsockopt(sock, SOL_SOCKET, SO_KEEPALIVE,  in tcp_create_listen_sock()
1297 	result = sock->ops->listen(sock, 5);  in tcp_create_listen_sock()
1300 		sock_release(sock);  in tcp_create_listen_sock()
1301 		sock = NULL;  in tcp_create_listen_sock()
1306 	return sock;  in tcp_create_listen_sock()
1337 		result = kernel_bind(sctp_con->sock,  in add_sctp_bind_addr()
1341 		result = kernel_setsockopt(sctp_con->sock, SOL_SCTP,  in add_sctp_bind_addr()
1355 	struct socket *sock = NULL;  in sctp_listen_for_all()  local
1369 				  IPPROTO_SCTP, &sock);  in sctp_listen_for_all()
1383 	result = kernel_setsockopt(sock, SOL_SOCKET, SO_RCVBUFFORCE,  in sctp_listen_for_all()
1388 	result = kernel_setsockopt(sock, SOL_SCTP, SCTP_EVENTS,  in sctp_listen_for_all()
1396 	result = kernel_setsockopt(sock, SOL_SCTP, SCTP_NODELAY, (char *)&one,  in sctp_listen_for_all()
1402 	sock->sk->sk_user_data = con;  in sctp_listen_for_all()
1403 	con->sock = sock;  in sctp_listen_for_all()
1404 	con->sock->sk->sk_data_ready = lowcomms_data_ready;  in sctp_listen_for_all()
1419 	result = sock->ops->listen(sock, 5);  in sctp_listen_for_all()
1428 	sock_release(sock);  in sctp_listen_for_all()
1429 	con->sock = NULL;  in sctp_listen_for_all()
1436 	struct socket *sock = NULL;  in tcp_listen_for_all()  local
1452 	sock = tcp_create_listen_sock(con, dlm_local_addr[0]);  in tcp_listen_for_all()
1453 	if (sock) {  in tcp_listen_for_all()
1454 		add_sock(sock, con);  in tcp_listen_for_all()
1564 	if (con->sock == NULL)  in send_to_sock()
1581 			ret = kernel_sendpage(con->sock, e->page, offset, len,  in send_to_sock()
1585 				    test_bit(SOCK_ASYNC_NOSPACE, &con->sock->flags) &&  in send_to_sock()
1590 					set_bit(SOCK_NOSPACE, &con->sock->flags);  in send_to_sock()
1591 					con->sock->sk->sk_write_pending++;  in send_to_sock()
1732 	if (con->sock && con->sock->sk)  in stop_conn()
1733 		con->sock->sk->sk_user_data = NULL;  in stop_conn()